I did love the lack of real imagination in creating the names.
ACE McCLOUD for air operations. Jake ROCKwell for ground operations and Max RAY for sea operations. Then, later, they had an energy programmer named Rex CHARGER and, wanting to be racially diverse, they added an Apache infiltration specialist name John Thunder.

"team of four heroes in metal armor suits
with built-in gadgets, each with their own abilities,
one character has helmet in shape like square academic cap." -Herc Armstrong/ Hooker

Another possibility

Inhumanoids
Three giant monsters that want to rule the Earth
versus a team of humans with special suits(Earth Corps)
Team members:Hooker,Auger, Liquidator, & Dr. Dereck Bright
The huge creatures are led by a massive evil fire breathing
monster called Metlar. He's imprisoned deep beneath the
earth's crust

There was a tentacled demon named Tendrel. He was plant-based monster
that could instantly grow back tentacles when they were damagedor cut off

D-Compose was a large partly decomposed giant reptilian
monster with a hollowed out chest cavity. He could capture
victims and hold them within his ribcage, or change people
into giant zombie like monsters with his touch.